Write Pulse

{
  "public": {
    "Sr25519": "0x9204c197905af474c1edfc5ae3e8263dcf53746156df77c73741daa0d5a08145"
  },
  "pulses": [
    {
      "round": "25,552,252",
      "signature": "0x8719d32f5120feb11a96ee33199565f3df1cefb30ef38ee5ea31ae9b28cbac0d952024755ee436c42f963b588e39259f",
      "randomness": "0x161b1d2809716e910109e3bb179c9b55499ca1e631bbed66e5a95385f27d02d3"
    }
  ],
  "blockNumber": "7,408,398"
}

{
  "Sr25519": "0x921fa72d94864551c42d643013708ef696b53ed0c1b979c2146747cdee03333c19fefa95bfff01f15c121038b859e661d85bfb07012cd9c06eb23cedcdcfbc81"
}